CLAS Physics Database

Measurement E159M886

Experiment: E1-6
Year: 2001

Experiment comment:

Experiment year: 2001—2002
Spokesperson: V. Burkert
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 4.2 — 5.0 GeV2
W: 1.425 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.144745 0.08642
27.0 0.279675 0.0800769
45.0 0.247145 0.0494544
63.0 0.274414 0.0604781
81.0 0.19052 0.0418259
99.0 0.276325 0.0711254
117.0 0.211768 0.0551334
135.0 0.154383 0.0873475
153.0 0.180044 0.153251
171.0 0.15471 0.222727